GE 5 star 6201 vacuum tube 
Tested with a calibrated TV-7D/U tube tester.
Calibration by Daniel Nelson.

Tested at: 65 63

Average new: 83/83

Minimum good: 50/50

The minimum is equal to 65% of the life of the tube.

Tested for shorts and gas.
Date code: 60-22 188-5

NOS/Used: used

Construction: short gray plate three mica copper rods 

Glass: clear

Base: -

30-day free return. 

Your items will be packed very well and shipped promptly.

We combine shipping on tubes.

Always glad to answer any questions.

Thanks for looking!